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Re: Master cannot execute MTE instructions
From: |
Peter Maydell |
Subject: |
Re: Master cannot execute MTE instructions |
Date: |
Thu, 10 Sep 2020 18:49:07 +0100 |
On Thu, 10 Sep 2020 at 18:43, Andrew Jones <drjones@redhat.com> wrote:
>
> On Thu, Sep 10, 2020 at 05:17:17PM +0100, Peter Maydell wrote:
> > What QEMU command line are you using to run this?
> > In particular, MTE is not enabled by default, so you need
> > "-cpu max,mte=on" or similar, is not enabled for any
> > board except 'virt', and doesn't work with KVM, only TCG.
>
> Actually I think the 'max' cpu type has it enabled by default, but you
> need '-machine virt,mte=on' for it to work.
Oops, yeah -- I remembered we disabled it by default somewhere
but forgot where the enable was.
thanks
-- PMM